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A brief guideline of the making process of zippers

Views: 321     Author: Site Editor     Publish Time: 2021-10-12      Origin: Site

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A brief guideline of the making process of zippers

Metal zippers are the originator of all zippers. They are still used in large quantities and have become one of the indispensable daily necessities in people's lives. Due to its ruggedness and stable chemical properties, there is no other product that can replace it.

Classification of Metal Zippers

Metal zippers are classified according to their materials, mainly including copper and aluminum.

According to the purpose to distinguish, mainly including metal zippers for clothing, metal zippers for bags, metal separating zippers, shoes and hats, and so on.

According to the use requirements to distinguish, mainly including metal one-way zippers and metal two-way zippers.

According to the structure, it mainly includes open end, close end, double open end, double close end and so on.

According to the surface treatment method, the distinction mainly includes electroplating treatment and chemical oxidation treatment. Among them, the largest amount is ordinary one-way zippers, which currently account for about 90% of the market demand for metal zippers.

metal teeth zippers

Production Process of Metal Zipper

The production of metal zippers is similar to that of ordinary nylon zippers in four basic stages, which are divided into dyeing, chain production, slider manufacturing and finished products. But the slight difference is that the dyeing of the metal zipper is arranged before the production of the chain.

The main production processes of metal zippers include webbing, tooth making, assembling belts and teeth, flattening, polishing, dyeing, ironing, waxing, fixing length, assembling accessories, inspection, packaging and storage.

There are many options for metal zipper teeth, such as corn teeth, Y-shaped incisors, ordinary round teeth, European-style teeth and so on. The most common types in the market are Y-shaped incisor metal zippers and ordinary round tooth metal zippers because of their large production capacity and stable quality.

For different metal zippers, the shape and processing technology are the distinguishing factors. The scalloped metal zipper is molded from metal strips. This manufacturing process will bring processing marks and even burrs on the surface of the teeth, which may make the finished product look rough. The Y-shaped cutting tooth adopts a prefabricated wire processing method, which improves the strength of the zipper chain.

According to specific specifications, the wire that has begun to have a tooth shape is customized. The wire is threaded into the machine and mold including the basic steps of feeding, cutting and pushing teeth, punching, clamping, and pulling. What is processed is the embryonic chain. The quality and appearance of the zipper can basically be guaranteed as long as the production quality of the forming wire is controlled by this process. There is basically no cutting edge during processing.

metal teeth zippers

Precautions for Metal Zippers

Since zippers are often used on jeans, jackets and backpacks, the size of their metal teeth zippers are relatively large.

Many metal zippers have flexible customization services and provide a variety of tooth shapes. High-end metal zippers are suitable for high-end jackets, suitcases and bags.

It is recommended to purchase metal zippers from a one-stop manufacturer of polyester filaments, metal filaments, etc. to finished products.

Be sure to ensure that the special zipper tape slides up and down smoothly along the zipper chain.


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